JPH11263708A - Powder composition, powder-in-oil dispersion and cosmetics containing them - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a powder composition and a powder-in-oil dispersion excellent in dispersibility and dispersion stability, which have low cohesiveness, and a cosmetic composition containing the same and having excellent stability and usability. provide. A copolymer and powder containing (A) an organopolysiloxane monomer and (B) a monomer having a nitrogen group and / or a monomer having a polyoxyalkylene group as constituent components are provided. Powder composition. Further, it is a powder-in-oil dispersion comprising the above copolymer, powder and an oil agent. Further, it is a cosmetic containing these.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a dispersion treated with a copolymer containing, as constituents, an organopolysiloxane monomer and a monomer having a nitrogen group and / or a monomer having a polyoxyalkylene group. The present invention relates to a powder composition having good properties, or a powder-in-oil dispersion comprising the above-mentioned copolymer, powder and an oil agent, or a cosmetic containing them.

[0002]

2. Description of the Related Art Untreated powders may cause inconveniences such as agglomeration based on the charge and polarity of the powder surface or a decrease in amphiphilicity due to the interfacial tension of the powder. For the purpose of solving these inconveniences, improving the powder dispersibility and dispersion stability, and improving the feeling of use, surface treatments for treating the surface of the powder with various modifiers have been proposed. The treatment agent and treatment method used for the surface treatment of the powder differ depending on the purpose, and are selected in consideration of the surface properties of the powder to be treated and the properties of the dispersion medium, and the like. And a hydrophilization treatment with a surfactant or a water-soluble polymer, and a water / oil repellency treatment with a silicone oil or the like.

[0003]

However, although all of these surface-treated powders have been improved in agglomeration and sedimentation of the powder, their effects are not sufficient, and the treatment agent and the processing method are not sufficient. In some cosmetics, dissociation of the powder and the treating agent occurs in the cosmetic, and the powder agglomerates and precipitates over time,
There have been problems such as deterioration of redispersibility and impairing product quality and usability. Therefore, development of a powder composition or a powder dispersion having low cohesiveness, excellent dispersion stability, and excellent stability over time and feeling of use has been desired. The present invention is a powder composition having a low cohesiveness and excellent dispersibility and a powder dispersion in oil,
In addition, an object of the present invention is to provide a cosmetic having excellent usability and good stability over time by containing them.

[0004]

Means for Solving the Problems In view of the above circumstances, the present inventors have conducted intensive studies and as a result, have found that the above problems can be solved by using a copolymer having a specific structure and characteristics. Thus, the present invention has been completed. That is, the present invention relates to a powder and a copolymer containing (A) an organopolysiloxane monomer and (B) a monomer having a nitrogen group and / or a monomer having a polyoxyalkylene group as constituent components. And a powder-in-oil dispersion comprising the copolymer, powder, and oil, and a cosmetic containing them.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The copolymer used in the present invention is:
It is a copolymer containing (A) an organopolysiloxane monomer and (B) a nitrogen group-containing monomer or a monomer having a polyoxyalkylene group as components. As the organopolysiloxane monomer (A), (B) a radical polymerizable group copolymerizable with the monomer,
Specifically, an organopolysiloxane monomer having a vinyl group is preferable, and the following general formula (1): W (X) _a Si (Y) _b (Z) _c (1) wherein W is vinyl Group (which may have a substituent),
X represents a divalent linking group, Y represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an aryl group or an alkoxy group, and Z represents a monovalent siloxane polymer. a is 0 or 1, b is 0
An integer of 2, c represents an integer of 1 to 3, and b + c = 3. And an organopolysiloxane monomer represented by the following formula: Among the (A) monomers, specific examples preferably used include compounds represented by the following chemical formula.

[0006]

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[0007]

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[0008]

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[0009]

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[0010]

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The nitrogen-containing monomer (B) is preferably a nitrogen-containing monomer having a radically polymerizable group, for example, a vinyl monomer having a nitrogen-containing group. It is something like that. N, N-dimethylaminoethyl acrylate, N, N-diethylaminoethyl acrylate, N, N-dimethylaminoethyl methacrylate, N, N-diethylaminoethyl methacrylate and quaternary salts thereof; acrylamide, N-methylacrylamide, N-ethylacrylamide , Nn-propylacrylamide, N-iso-propylacrylamide, N
-N-butylacrylamide, N-iso-butylacrylamide, Nt-butylacrylamide, N-octylacrylamide, N-octadecylacrylamide,
N-phenylacrylamide, N-methylolacrylamide, N-allylacrylamide, N-diacetoneacrylamide; methacrylamide, N-methylmethacrylamide, N-ethylmethacrylamide, Nn-propylmethacrylamide, N-iso-propylmethacryl Amide, Nn-butyl methacrylamide, N-iso-butyl methacrylamide, Nt-butyl methacrylamide, N-octyl methacrylamide, N-octadecyl methacrylamide, N-dodecyl methacrylamide, N-phenylacrylamide, N -Methylol methacrylamide, N-allyl methacrylamide; α-ethylacrylamide; N, N-dimethylacrylamide,
N, N-diethylacrylamide, N, N-diisopropylacrylamide, N, N-di-n-butylacrylamide, N, N-dimethylmethacrylamide, N, N-
Diethyl methacrylamide, N, N-diisopropyl methacrylamide, N, N-di-n-butyl methacrylamide;

N, N-dimethylaminoethylacrylamide, N, N-dimethylaminoethylmethacrylamide, N, N-dimethylaminopropylacrylamide,
N, N-dimethylaminopropyl methacrylamide and its quaternary salt; N-vinyl-N, N-dimethylamine, N
-Vinyl-N-ethyl-N-butylamine and quaternary salts thereof; o-aminostyrene, m-aminostyrene, p-aminostyrene, o-N, N-dimethylaminostyrene,
m-N, N-dimethylaminostyrene, pN, N-dimethylaminostyrene; N-vinylpyrrolidone, N-vinyl-3-methylpyrrolidone, N-vinyl-5-methylpyrrolidone, N-vinyl-3,3 , 5-Trimethylpyrrolidone, N-vinylpiperidone, N-vinylcaprolactam, N-vinylcaprylactam; N-vinylformamide, N-vinylacetamide, N-vinylpropionamide, N-vinylbenzoamide, N-methyl-
N-vinylbenzoic acid amide, N-phenyl-N-vinylacetamide, N-phenyl-N-vinylbenzoic acid amide; diallyldimethylammonium chloride, N-vinylmaleimide, vinylpyridine, N-vinylimidazole, N-vinylcarbazole And N-acylalkyleneimines and N-alkylenecarbobetaines whose terminals are blocked, and one or more of these can be appropriately selected and used. Among these, acrylamide, methacrylamide, N-vinylpyrrolidone and N-vinylacetamide are preferred.

The monomer (B) having a polyoxyalkylene group as the monomer includes a monomer having a radically polymerizable group and a polyoxyalkylene group, specifically, a vinyl group and a polyoxyalkylene group. A monomer having a group is preferable, and the following general formula (2) J (K) _p (Q) _sT (2) wherein J is a vinyl group (which may have a substituent) ,
K is a divalent linking group, Q is - (CH ₂₎ a polyoxyalkylene group represented by _t O-, T is 1 hydrogen atom or a carbon atoms
An alkyl group of 10 or an organic group represented by R ′-(CO) —, p is 0 or 1, s is an integer of 1 or more, t
Represents an integer of 1 to 50, and R ′ represents an alkyl group having 1 to 5 carbon atoms. And a monomer having a polyoxyalkylene group represented by the formula: Specifically, it is a compound represented by the following chemical formula. These may be used alone or in combination of two or more. Among these, a monomer containing a polyoxyalkylene group in which t is an integer of 3 or more is preferable, and a monomer containing a polyoxypropylene group in which t = 3 is particularly preferable.

CH ₂ ＣC (CH ₃ ) COO (C ₂ H ₄ O) ₂ H CH ₂ ＣC (CH ₃ ) COO (C ₂ H ₄ O) ₄ CH ₃ CH ₂ ＣＨCHCOO (C ₂ H ₄ O ) ₇ H CH ₂ ＣC (CH ₃ ) COO (C ₃ H ₆ O) ₁₂ H CH ₂ ＣＨCHCOO (C ₃ H ₆ O) ₆ H CH ₂ ＣC (CH ₃ ) COO (C ₂ H ₄ O) ₇ (C ₃ H ₆ O) ₃ H CH ₂ ＣC (CH ₃ ) COO (C ₂ H ₄ O) ₁₀ (C ₄ H ₈ O) ₅ H CH ₂ ＣC (CH ₃ ) COO (C ₃ H ₆ O) ₁₆ (C ₄ H ₈ O) ₆ H

In the copolymer of the present invention, when the monomer (A) and the monomer (B) are monomers having a radical polymerizable group, other compounds copolymerizable therewith. May be copolymerized. Examples of these compounds include methyl (meth) acrylate, ethyl (meth) acrylate, n-butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, and stearyl (meth).
Alkyl (meth) acrylates such as acrylate and behenyl (meth) acrylate; hydroxyalkyl (meth) acrylates such as 2-hydroxyethyl (meth) acrylate and 2-hydroxypropyl (meth) acrylate; perfluoro having 1 to 10 fluorocarbon chains Alkyl (meth) acrylate, styrene, substituted styrene, vinyl acetate, (meth) acrylic acid, maleic anhydride, maleic ester, fumaric ester, vinyl chloride, vinylidene chloride, ethylene, propylene, butadiene, acrylonitrile, fluorinated olefin, etc. Can be exemplified.

As the powder used in the present invention, if it is used in ordinary cosmetics, its shape (spherical, needle-like, plate-like, etc.) and particle size (fog-like, fine particles, pigment grade, etc.) ),
Any material can be used regardless of the particle structure (porous, nonporous, etc.). For example, as inorganic powder, titanium oxide, zirconium oxide, zinc oxide, cerium oxide, magnesium oxide, barium sulfate, calcium sulfate, magnesium sulfate, calcium carbonate, magnesium carbonate, talc, mica, kaolin, sericite, muscovite, Synthetic mica, phlogopite, phlogopite, biotite, lithia mica,
Silicic acid, Silicic anhydride, Aluminum silicate, Magnesium silicate, Aluminum magnesium silicate, Calcium silicate, Barium silicate, Strontium silicate, Metal tungstate, Hydroxyapatite, Vermiculite, Heidilite, Bentonite, Montmorillonite, Hector Light, zeolite, ceramic powder, dicalcium phosphate, alumina, aluminum hydroxide, boron nitride, boron nitride, silica and the like.

As the organic powder, polyamide powder,
Polyester powder, polyethylene powder, polypropylene powder, polystyrene powder, polyurethane, benzoguanamine powder, polymethylbenzoguanamine powder, tetrafluoroethylene powder, polymethyl methacrylate powder, cellulose, silk powder, nylon powder, 12 nylon, 6 nylon, styrene acrylic acid Copolymer, divinylbenzene / styrene copolymer, vinyl resin, urea resin, phenol resin, fluorine resin, silicon resin, acrylic resin, melamine resin, epoxy resin, polycarbonate resin, microcrystalline fiber powder, rice starch, lauroyl lysine Etc. As surfactant metal salt powder (metal soap), zinc stearate, aluminum stearate, calcium stearate, stearin Magnesium, zinc myristate,
Magnesium myristate, zinc cetyl phosphate, calcium cetyl phosphate, sodium sodium cetyl phosphate; etc .; as colored pigments, inorganic red pigments of iron oxide, iron hydroxide, iron titanate, inorganic brown pigments such as γ-iron oxide, yellow oxidation iron,
Inorganic yellow pigments such as loess, black iron oxide, inorganic black pigments such as carbon black, manganese violet, inorganic violet pigments such as cobalt violet, chromium hydroxide, chromium oxide, cobalt oxide, inorganic green pigments such as cobalt titanate, Inorganic blue pigments such as navy blue and ultramarine blue, tar-based pigments are raked, natural pigments are raked, composite powders obtained by compounding these powders, and the like.

Examples of the pearl pigment include titanium oxide-coated mica, titanium oxide-coated mica, bismuth oxychloride, titanium oxide-coated bismuth oxychloride, titanium oxide-coated talc, fish scale foil, and titanium oxide-coated colored mica. Aluminum powder, copper powder,
Stainless steel powder, etc .;
No., Red No. 104, Red No. 106, Red No. 201, Red No. 202, Red No. 204, Red No. 205, Red No. 220
No., Red No. 226, Red No. 227, Red No. 228, Red No. 230, Red No. 401, Red No. 505, Yellow No. 4, Yellow No. 5, Yellow No. 202, Yellow No. 203, Yellow No. 204,
Yellow No. 401, Blue No. 1, Blue No. 2, Blue No. 201, Blue No. 404, Green No. 3, Green No. 201, Green No. 204,
Green No. 205, Orange No. 201, Orange No. 203, Orange No. 20
No. 4, orange No. 206, orange No. 207, etc .; as a natural pigment, a powder selected from carminic acid, laccaic acid, calsamine, bradyline, crocin, etc. Powders that have been surface-treated with a fluorine compound may be used, and one or more of them may be used as necessary.

The powder composition referred to in the present invention is a powder obtained by mixing a powder and a copolymer dissolved in a solvent or the like and then removing the solvent, or a powder or a copolymer obtained by removing the solvent. And the like obtained by dry-mixing the same, and the form is usually a powder. The method for obtaining the powder composition of the present invention is not particularly limited. For example, a method in which a solution in which a copolymer is uniformly dissolved in an organic solvent such as butyl acetate, acetone, or alcohol is sprayed onto the powder, or the powder is added to the solution. After adding and stirring and mixing, a method of coating the copolymer by evaporating the solvent, a method of further baking treatment, and a method of dry-mixing the copolymer and the powder using a dispersing device such as a ball mill. Is mentioned.
Further, the powder-in-oil dispersion according to the present invention is a dispersion of the above powder in an oil agent, or a copolymer dissolved or dispersed in an oil agent, and the powder is added thereto and mixed. It means a dispersion or the like, and the form is a liquid dispersion. The powder-in-oil dispersion of the present invention can be prepared, for example, by adding the powder composition obtained as described above to an oil such as ester oil or silicone oil and dispersing the same, or by co-polymerizing the oil in the oil. It can be easily obtained by dissolving or dispersing the coalesced powder, adding a powder thereto, and mixing with a dispersing device such as a ball mill, a bead mill, or a sand mill. The powder-in-oil dispersion can be directly incorporated into cosmetics.

Further, by incorporating the monomer (A) into the copolymer of the present invention, the dispersibility and stability of the powder in the oil agent can be improved, and the powder becomes more favorable. The content of the (A) monomer in the copolymer is at least 10% by weight (hereinafter simply referred to as "%"), preferably at least 15%, more preferably from 20 to 99%. The amount of the copolymer in the powder composition and the powder dispersion in oil varies depending on the type thereof and is not particularly limited, but is preferably 1% or more, more preferably 3% or more based on the powder. When the powder composition and / or powder-in-oil dispersion obtained as described above is blended into a cosmetic, the blending amount can be changed according to the dosage form, and is not particularly limited. But 0.01% as the amount of powder
~ 98% is preferred, more preferably 0.5 ~ 80%
It is. If the amount is less than 0.01%, the effect mixed with the cosmetic may not be sufficiently exhibited. One or more of these powder compositions and powder-in-oil dispersions can be appropriately selected and used depending on the purpose and application.

The cosmetic of the present invention includes solid, semi-solid, liquid oils, water, alcohols, water-soluble polymers, and film-forming agents used in ordinary cosmetics as long as the effects of the present invention are not impaired. , Surfactants, oil-soluble gelling agents, organically modified clay minerals,
Resin, powder, ultraviolet absorber, humectant, preservative, antibacterial,
Fragrances, salts, antioxidants, pH adjusters, chelating agents, refreshing agents, anti-inflammatory agents, ingredients for beautiful skin (whitening agents, cell activators, skin roughness improvers, blood circulation promoters, skin astringents, antiseborrheics, etc. ),
Vitamins, amino acids, nucleic acids, hormones, clathrates and the like can be added.

Although not particularly limited,
Some examples are given below. Examples of oils include natural animal and vegetable oils and fats, semi-synthetic oils and fats, hydrocarbon oils, higher fatty acids, higher alcohols, ester oils, silicone oils, fluorine oils and the like. As natural animal and vegetable fats and oils and semi-synthetic fats and oils,
Avocado oil, linseed oil, almond oil, lobster wax, eno oil, olive oil, cocoa butter, kapok wax, kaya oil,
Carnauba wax, liver oil, candelilla wax, tallow, beef tallow, beef tallow, hardened tallow, kyonin oil, spermaceti, hardened oil, wheat germ oil, sesame oil, rice germ oil, rice bran oil, sugar cane wax, sasanqua oil, sa Flower oil, shea butter, cinnamon oil, cinnamon oil, jojoba wax, shellac wax, turtle oil, soybean oil, teaseed oil, camellia oil, evening primrose oil, corn oil, lard, rapeseed oil, Japanese kiri oil,
Nuka wax, germ oil, horse fat, persic oil, palm oil, palm kernel oil, castor oil, hydrogenated castor oil, castor oil fatty acid methyl ester, sunflower oil, grape oil, bayberry wax, jojoba oil, macadamia nut oil, beeswax, mink oil, Cottonseed oil, cotton wax, mocro, mocro kernel oil, montan wax, coconut oil, hydrogenated coconut oil, tricoconut oil fatty acid glyceride, sheep fat, peanut oil, lanolin, liquid lanolin, reduced lanolin, lanolin alcohol, hard lanolin, lanolin acetate, lanolin fatty acid Isopropyl, POE lanolin alcohol ether, POE lanolin alcohol acetate, lanolin fatty acid polyethylene glycol, PO
E hydrogenated lanolin alcohol ether, egg yolk oil and the like.

Examples of hydrocarbon oils include ozokerite, squalane, squalene, ceresin, paraffin, paraffin wax, liquid paraffin, pristane, polyisobutylene, microcrystalline wax, petrolatum, etc .;
Higher fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, undecylenic acid,
Oleic acid, linoleic acid, linolenic acid, arachidonic acid,
Eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), isostearic acid, 12-hydroxystearic acid and the like; as higher alcohols, lauryl alcohol, myristyl alcohol, palmityl alcohol,
Stearyl alcohol, behenyl alcohol, hexadecyl alcohol, oleyl alcohol, isostearyl alcohol, hexyldecanol, octyldodecanol, cetostearyl alcohol, 2-decyltetradecinol, cholesterol, phytosterol, POE
Cholesterol ether, monostearyl glycerin ether (bacyl alcohol), monooleyl glycerin ether (serakyl alcohol) and the like.

Examples of the ester oil include diisobutyl adipate, 2-hexyldecyl adipate, and di-adipate.
2-heptylundecyl, N-alkyl glycol monoisostearate, isocetyl isostearate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, ethylene glycol di-2-ethylhexanoate, neo-2-diethylhexanoate Pentyl glycol, trimethylolpropane tri-2-ethylhexanoate, pentaerythritol tetra-2-ethylhexanoate, cetyl octanoate, octyl dodecyl gum ester, oleyl oleate, octyl dodecyl oleate, decyl oleate, neopentyl dicaprate Glycol, triethyl citrate, 2-ethylhexyl succinate, amyl acetate, ethyl acetate, butyl acetate, isocetyl stearate, butyl stearate, diisopropyl sebacate, Shin, di-2-ethylhexyl, cetyl lactate, myristyl lactate, isopropyl palmitate, 2-ethylhexyl palmitate, palmitate 2
-Hexyldecyl, 2-heptylundecyl palmitate, cholesteryl 12-hydroxystearylate, dipentaerythritol fatty acid ester, isopropyl myristate, 2-octyldodecyl myristate, 2-hexyldecyl myristate, myristyl myristate,
Hexyldecyl dimethyloctanoate, ethyl laurate, hexyl laurate, N-lauroyl-L-glutamic acid-2-octyldodecyl ester, diisostearyl malate and the like.

Examples of the glyceride oil include acetoglyceride, triisooctanoic acid glyceride, triisostearic acid glyceride, triisopalmitic acid glyceride, tri-2-ethylhexanoic acid glyceride, monostearic acid glyceride, di-2-heptylundecanoic acid glyceride, and triglyceride. Glyceride myristate, etc .;
Examples of silicone oils include dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, tetramethyltetrahydrogencyclotetrasiloxane, and stearoxysilicone. And the like. Higher alkoxy-modified silicones, alkyl-modified silicones, higher fatty acid ester-modified silicones, higher fatty acid-modified silicones, fluorine-modified silicones, silicone resins, silicone rubbers, silicone resins, and the like; fluorinated oils such as perfluoropolyether and perfluorodecalin , Perfluorooctane and the like.

Examples of alcohols include lower alcohols such as ethanol and isopropanol, sugar alcohols such as sorbitol and maltose, and sterols such as cholesterol, sitosterol, phytosterol and lanosterol.

As the water-soluble polymer, gum arabic, tragacanth, galactan, carob gum, guar gum,
Karaya gum, carrageenan, pectin, agar, quince seed (quince), starch (rice, corn,
Plant polymers such as potato, wheat), algae colloid, trant gum, locust bean gum, etc., microbial polymers such as xanthan gum, dextran, succinoglucan, pullulan, animal polymers such as collagen, casein, albumin, gelatin, etc. Carboxymethyl starch, starch polymers such as methylhydroxypropyl starch, methylcellulose, ethylcellulose, methylhydroxypropylcellulose, carboxymethylcellulose, hydroxymethylcellulose, hydroxypropylcellulose, nitrocellulose, cellulose sodium sulfate, sodium carboxymethylcellulose,
Crystalline cellulose, cellulose-based cellulosic polymer,
Alginate polymers such as sodium alginate and propylene glycol alginate; vinyl polymers such as polyvinyl methyl ether and carboxyvinyl polymer; polyoxyethylene polymers; polyoxyethylene polyoxypropylene copolymer polymers; polyacrylic acid Acrylic polymers such as sodium, polyethyl acrylate, and polyacrylamide; polyethylene imine; cationic polymers; bentonite; aluminum magnesium silicate; laponite; In addition, film-forming agents such as polyvinyl alcohol and polyvinyl pyrrolidone are also included in these.

Surfactants include anionic, cationic,
There are nonionic and amphoteric activators. Examples of the anionic surfactant include fatty acid soaps such as sodium stearate and triethanolamine palmitate, alkyl ether carboxylic acids and salts thereof, carboxylate salts such as condensation of amino acids and fatty acids, alkyl sulfonic acids, alkene sulfonates, Sulfonates of fatty acid esters, sulfonates of fatty acid amides, sulfonates of alkyl sulfonates and formalin condensates thereof, alkyl sulfates, secondary higher alcohol sulfates, alkyl and allyl ether sulfates, Fatty acid ester sulfates, sulfates of fatty acid alkylolamides, polyoxyethylene alkyl sulfates, sulfates such as funnel oils, alkyl phosphates, ether phosphates, alkyl allyl ether phosphates, amide phosphorus Salts, N-acylamino acid-based activators and the like; Examples of the cationic surfactant include alkylamine salts, amine salts such as polyamine and amino alcohol fatty acid derivatives, alkyl quaternary ammonium salts, aromatic quaternary ammonium salts, pyridium salts, And imidazolium salts.

Examples of the nonionic surfactant include sorbitan fatty acid ester, glycerin fatty acid ester, polyglycerin fatty acid ester, propylene glycol fatty acid ester, polyethylene glycol fatty acid ester, sucrose fatty acid ester, polyoxyethylene alkyl ether, and polyoxypropylene alkyl. Ether, polyoxyethylene alkylphenyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbitol fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene propylene glycol fatty acid ester, polyoxyethylene castor oil, Polyoxyethylene hydrogenated castor oil, polyoxyethylene phytostanol ether, polyoxyethylene Polyoxyethylene phytosterol ether, polyoxyethylene cholestanol ether,
Polyoxyethylene cholesteryl ether, polyoxyalkylene-modified organopolysiloxane, polyoxyalkylene / alkyl co-modified organopolysiloxane, alkanolamide, sugar ether, sugar amide, etc .; amphoteric surfactants include betaines, aminocarboxylates, And imidazoline derivatives.

Examples of the oil-soluble gelling agent include metal soaps such as aluminum stearate, magnesium stearate and zinc myristate; amino acid derivatives such as N-lauroyl-L-glutamic acid, α, γ-di-n-butylamine; Dextrin fatty acid esters such as dextrin palmitate, dextrin stearate, dextrin 2-ethylhexanoate palmitate, sucrose fatty acid esters such as sucrose palmitate and sucrose stearate, monobenzylidene sorbitol, dibenzylidene sorbitol Benzylidene derivatives of sorbitol such as dimethylbenzyl dodecylammonium montmorillonite clay, dimethyldioctadecyl ammonium montmorillonite clay, etc. Of organically modified clay minerals.

Examples of the powder include extender pigments, white pigments, colored pigments, organic powders, pearlescent agents, organic dyes, and the like. These powders can be compounded or surface-treated with an oil agent, silicone, or a fluorine compound. May be carried out, and if necessary, one kind or two or more kinds may be blended in addition to the above-mentioned composite powder. Examples of the ultraviolet absorber include benzoic acid-based ultraviolet absorbers such as para-aminobenzoic acid, anthranilic acid-based ultraviolet absorbers such as methyl anthranilate, salicylic acid-based ultraviolet absorbers such as methyl salicylate, and cinnamon such as octyl paramethoxycinnamate. Acid-based UV absorbers,
Examples include benzophenone-based ultraviolet absorbers such as 2,4-dihydroxybenzophenone and urocanic acid-based ultraviolet absorbers such as ethyl urocanate.

Examples of the humectant include sorbitol, xylitol, propylene glycol, dipropylene glycol, 1,3-butylene glycol, glycerin, diglycerin, polyethylene glycol, hyaluronic acid, chondroitin sulfate, and pyrrolidone carboxylate. As preservatives, alkyl paraoxybenzoate,
Antibacterial agents such as benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, phenoxyethanol and the like include benzoic acid, salicylic acid, carboxylate, sorbic acid, paraoxybenzoate, parachloromethcresol,
Hexachlorophen, benzalkonium chloride, chlorhexidine chloride, trichlorocarbanilide, photosensitizer, phenoxyethanol and the like.

[0033] Antioxidants include tocopherol, butylhydroxyanisole, dibutylhydroxytoluene and the like. PH adjusters include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, dl-malic acid, potassium carbonate, sodium hydrogencarbonate. Chelating agents such as ammonium bicarbonate, alanine, sodium edetate,
Cooling agents such as sodium polyphosphate, sodium metaphosphate, phosphoric acid and the like include L-menthol and camphor, and anti-inflammatory agents include allantoin, glycyrrhetinic acid, tranexamic acid, azulene and the like.

[0034] Components for beautiful skin include whitening agents such as placenta extract, arbutin, glutathione, and saxifrage extract, cell activating agents such as royal jelly, photosensitizer, cholesterol derivative, and calf blood extract, skin roughness improving agents, and nonyl. Acid valenylamide, nicotinic acid benzyl ester, nicotinic acid β-butoxyethyl ester, capsaicin, gingerone, canthari tincture, ittamol, caffeine, tannic acid, α-borneol, tocopherol nicotinate, inositol hexanicotinate, cyclandate, cinnarizine Blood circulation promoters such as trazoline, acetylcholine, verapamil, cepharanthin, γ-oryzanol, zinc oxide, skin astringents such as tannic acid, sulfur,
And antiseborrheic agents such as thiantrol.

The vitamins include vitamin A such as vitamin A oil, retinol, retinol acetate, retinol palmitate, vitamin B2 such as riboflavin, riboflavin butyrate, and flavin adenine nucleotide, pyridoxine hydrochloride, pyridoxine dioctanoate and the like. Vitamin B6 such as L-ascorbic acid, L-ascorbic acid dipalmitate, L-ascorbic acid-2-sodium sulfate, dl-α-tocopherol-L-ascorbic acid diester dipotassium phosphate
, Pantothenic acids such as calcium pantothenate, D-pantothenyl alcohol, pantoenyl ethyl ether, and acetyl pantothenyl ethyl ether; ergocalciferol; vitamin D such as cholecalciferol;
Nicotinic acids such as nicotinic acid, benzyl nicotinate, nicotinamide, dl-α-tocopherol, acetic acid dl
Vitamin E such as -α-tocopherol, dl-α-tocopherol nicotinate, dl-α-tocopherol succinate, vitamin P, biotin and the like. Amino acids include arginine, aspartic acid, cystine, cysteine, methionine, serine, leucine, tryptophan, etc., nucleic acids include deoxyribonucleic acids, and hormones include estradiol, ethinylestradiol.

In the present invention, cosmetics include foundation, make-up base, blusher, eyeshadow, mascara, eyeliner, eyebrow, overcoat agent,
Feel problems when using not only makeup cosmetics such as lipsticks, lotions, emulsions, creams, packs, massages, lip balms, hand creams, cleaning products, but also skin cosmetics and hair cosmetics, as well as external medicines And all products used externally on the skin. In addition, dosage forms include oil-in-water (O / W) and water-in-oil (W / O) emulsions such as creams and emulsions, oily solid cosmetics such as lipsticks, lotions such as lotions, and pastes. ,
Various forms such as a gel form and a powder form can be selected.

[0037]

EXAMPLES The present invention will be described below with reference to examples, but the present invention is not limited to these examples. (Production Example 1) In a glass reactor equipped with a thermometer and a reflux condenser, 89 g of a compound represented by the following formula, 10 g of N-vinylpyrrolidone, 1 g of 2-ethylhexyl acrylate, 100 g of toluene and azobisisobutyronitrile. 2 g was charged and the mixture was stirred while being kept at 110 to 115 ° C., and a copolymerization reaction was carried out for 8 hours. After cooling, methanol was added to extract residual monomers, and the washing step was performed several times to obtain about 94 g of a viscous liquid.

[0038]

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(Production Example 2) A compound represented by the following formula (7), N-vinylpyrrolidone (23 g), 2-ethylhexyl acrylate (2 g), toluene (100 g) and azobisisobutyronitrile (2 g) were charged. About 86 g of a soft solid was obtained.

[0040]

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(Preparation Example 3) 69 g of the compound of formula 6 used in Preparation Example 1, 11 g of N-vinylpyrrolidone, 15 g of stearyl methacrylate, 5 g of methyl methacrylate, 100 g of toluene and 2 g of azobisisobutyronitrile were charged. Approximately 92 g of a solid was obtained.

(Production Example 4) 92 g of the compound of formula 6 used in Production Example 1, 6 g of acrylamide, 2 g of styrene, 100 g of toluene and 2 g of azobisisobutyronitrile were charged. A viscous liquid was obtained.

(Production Example 5) 89 g of the compound of the formula 7 used in Production Example 2, 10 g of N-vinylpyrrolidone, 1 g of heptadecafluorodecyl methacrylate, 100 g of toluene
And 2 g of azobisisobutyronitrile were added.
In the same manner as in the above, about 93 g of a viscous liquid was obtained.

(Production Example 6) 96 g of the compound of formula 6 used in Production Example 1, 4 g of N-vinylacetamide, and 1 part of toluene
00 g and azobisisobutyronitrile 2 g,
About 91 g of liquid was obtained in the same manner as in Production Example 1.

(Production Example 7) 75 g of the compound represented by Chemical Formula 6 used in Production Example 1, 20 g of the compound represented by the following formula (3), 5 g of methyl methacrylate, 100 g of isopropyl alcohol and 2 g of azobisisobutyronitrile
, And about 94 g of a soft solid was obtained in the same manner as in Production Example 1 while maintaining the temperature at 80 to 85 ° C. CH ₂ ＣC (CH ₃ ) COO (C ₂ H ₄ O) ₈ H (3)

(Production Example 8) 75 g of the compound represented by the formula (7) used in Production Example 2, 15 g of the compound represented by the following formula (4), 5 g of stearyl methacrylate, 5 g of methyl methacrylate, 100 g of isopropyl alcohol and azobisisobutyro 2 g of nitrile was charged, and about 86 g of a liquid substance was obtained in the same manner as in Production Example 7. CH ₂ ＣＨCHCOO (C ₂ H ₄ O) ₈ H (4)

(Production Example 9) 68 g of the compound of the formula (6) used in Production Example 1, 14 g of the compound represented by the following (5), and N
-Vinylpyrrolidone 14 g, methyl methacrylate 4
g, 100 g of toluene and 2 g of azobisisobutyronitrile were charged, and about 90 g of a solid was obtained in the same manner as in Production Example 1. CH ₂ ＣC (CH ₃ ) COO (C ₃ H ₆ O) ₆ H (5)

(Production Example 10) 87 g of the compound represented by the following formula (8), 6 g of the compound of the formula (5) used in Production Example 9,
6 g of stearyl methacrylate, 1 g of 2-ethylhexyl acrylate, 100 g of toluene and 2 g of azobisisobutyronitrile were charged, and a liquid material of about 94 g was obtained in the same manner as in Production Example 1.

[0049]

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(Production Example 11) 68 g of the compound of the formula (7) used in Production Example 2 and the compound 1 of the formula (5) used in Production Example 9
4 g, stearyl methacrylate 14 g, methyl methacrylate 4 g, toluene 150 g and azobisisobutyronitrile 2 g were prepared.
8 g of a soft solid was obtained.

(Production Example 12) 87 g of the compound of the formula (7) used in Production Example 2 and the compound 6 of the formula (5) used in Production Example 9
g, 6 g of stearyl methacrylate, 1 g of heptadecafluorodecyl methacrylate, 100 g of toluene and 2 g of azobisisobutyronitrile, and about 95 g of a liquid substance was obtained in the same manner as in Production Example 1.

Embodiment 1 Viscous liquid 1 of Production Example 1 described above
0 g was dissolved in 50 g of decamethylcyclopentasiloxane, and titanium oxide (Typek TTO-55) was added thereto.
(A); Ishihara Sangyo Co., Ltd.) was added and dispersed using a bead mill to obtain a titanium oxide dispersion (a).

Embodiment 2 FIG. Soft solid 5 of Production Example 2 described above
g in a mixed oil of 20 g of decamethylcyclopentasiloxane and 15 g of glyceryl triisooctanoate,
60 g of ultrafine zinc oxide (ZnO-350; manufactured by Sumitomo Osaka Cement Co.) was added thereto and dispersed using a bead mill to obtain a zinc oxide dispersion (b).

Embodiment 3 FIG. 2 g of methyl hydrogen polysiloxane (KF-99; manufactured by Shin-Etsu Chemical Co., Ltd.) is dissolved in methanol, sprayed on 50 g of ultrafine zinc oxide (ZnO-350; manufactured by Sumitomo Osaka Cement Co.), and then dried at 100 ° C. 8 g of the soft solid of Production Example 2 was dissolved in 42 g of decamethylcyclopentasiloxane, and 50 g of the treated ultrafine zinc oxide was added thereto and dispersed using a bead mill to obtain a silicone-treated zinc oxide dispersion (c). .

Embodiment 4 FIG. 5 g of the solid obtained in Production Example 3 was dissolved in 45 g of decamethylcyclopentasiloxane, and zinc oxide (Finex 25; manufactured by Sakai Chemical Co., Ltd.) was added thereto.
0 g was added thereto and dispersed using a bead mill to obtain a zinc oxide dispersion (d).

Embodiment 5 FIG. Alkoxysilane (KBM-2
2; Shin-Etsu Chemical Co., Ltd.) (0.5 g) is dissolved in methanol, sprayed on 50 g of titanium oxide (Taipeku TTO-55 (A); Ishihara Sangyo Co., Ltd.), and then dried at 100C.
10 g of the viscous liquid of Production Example 4 described above was dissolved in 50 g of decamethylcyclopentasiloxane, and 40 g of the treated titanium oxide was added thereto and dispersed using a bead mill to obtain a dispersion (e) of an alkoxysilane-treated titanium oxide. Was.

Embodiment 6 FIG. Viscous liquid 1 of Production Example 5 described above
0 g was dissolved in 50 g of decamethylcyclopentasiloxane, and titanium oxide (Typek TTO-55) was added thereto.
(A); Ishihara Sangyo Co., Ltd.) was added and dispersed using a bead mill to obtain a titanium oxide dispersion (f).

Embodiment 7 FIG. 8 g of the liquid of Production Example 6 described above was dissolved in 42 g of decamethylcyclopentasiloxane, and zinc oxide (Finex 25; manufactured by Sakai Chemical Co., Ltd.) was added to the solution.
0 g was added and dispersed using a bead mill to obtain a zinc oxide dispersion (g).

Embodiment 8 FIG. Viscous liquid 5 of Production Example 1 described above
g was dissolved in 45 g of isopropyl alcohol, and 50 g of titanium oxide (Taipec TTO-55 (A); manufactured by Ishihara Sangyo Co., Ltd.) was added and dispersed, and the solvent was distilled off to obtain a titanium oxide composition (h).

Comparative Example 1 In the same manner as in Production Example 1, 50 g of the compound of Formula 6 used in Production Example 1, 35 g of methyl methacrylate, 7.5 g of butyl methacrylate, 7.5 g of 2-ethylhexyl acrylate, 100 g of toluene and 2 g of azobisisobutyronitrile were charged. , About 95g
A solid was obtained. 4 g of this solid was dissolved in 46 g of decamethylcyclopentasiloxane, and 50 g of titanium oxide (Taipec TTO-55 (A); manufactured by Ishihara Sangyo Co., Ltd.) was added thereto and dispersed using a bead mill to obtain a titanium oxide dispersion (i). Obtained.

Embodiment 9 FIG. Soft solid 1 of Production Example 7 described above
0 g was dissolved in 50 g of decamethylcyclopentasiloxane, and titanium oxide (Typek TTO-55) was added thereto.
(A); Ishihara Sangyo Co., Ltd.) was added and dispersed using a bead mill to obtain a titanium oxide dispersion (j).

Embodiment 10 FIG. Liquid 8 of Production Example 8 described above
g was mixed with 42 g of decamethylcyclopentasiloxane, and 50 g of zinc oxide (Finex 25; manufactured by Sakai Chemical Co., Ltd.) was added and dispersed using a bead mill to obtain a zinc oxide dispersion (k).

Embodiment 11 FIG. Solid 1 of Production Example 9 described above
2 g of decamethylcyclopentasiloxane 27.5 g,
It was dissolved in 12.5 g of glyceryl triisooctanoate, and zinc oxide (Finex 25; manufactured by Sakai Chemical Co., Ltd.) was added thereto.
0 g was added and dispersed using a bead mill to obtain a zinc oxide dispersion (l).

Embodiment 12 FIG. 8 g of the liquid material of Production Example 10 described above was mixed with 42 g of decamethylcyclopentasiloxane, and the mixture was mixed with titanium oxide (Taipaque TTO-55).
(A); Ishihara Sangyo Co., Ltd.) was added and dispersed using a bead mill to obtain a titanium oxide dispersion (m).

Embodiment 13 FIG. Alkoxysilane (KBM-
3103; 0.5 g of Shin-Etsu Chemical Co., Ltd.) is dissolved in methanol, sprayed on 50 g of ultrafine zinc oxide (ZnO-350; manufactured by Sumitomo Osaka Cement Co.), and dried at 100 ° C. 4 g of the liquid material of Production Example 10 described above was mixed with 46 g of decamethylcyclopentasiloxane, and 50 g of the treated zinc oxide was added thereto and dispersed using a bead mill to obtain an alkoxysilane-treated zinc oxide dispersion (n).

Embodiment 14 FIG. 8 g of the soft solid obtained in Production Example 11 was dissolved in 42 g of decamethylcyclopentasiloxane, 50 g of zinc oxide (Finex 25; manufactured by Sakai Chemical Co., Ltd.) was added, and the mixture was dispersed using a bead mill. o) was obtained.

Embodiment 15 FIG. 8 g of the soft solid of Production Example 11 described above was dissolved in 52 g of decamethylcyclopentasiloxane, and 40 g of stearic acid-treated titanium oxide (Taipec TTO-S-2; manufactured by Ishihara Sangyo Co., Ltd.) was added thereto and dispersed using a bead mill. Thus, a stearic acid-treated titanium oxide dispersion (p) was obtained.

Embodiment 16 FIG. Alkoxysilane (KBM-
3103; 0.6 g of Shin-Etsu Chemical Co., Ltd.) is dissolved in methanol, sprayed on 60 g of ultrafine zinc oxide (ZnO-350; manufactured by Sumitomo Osaka Cement Co.), and dried at 100 ° C. 8 g of the soft solid of Production Example 11 was dissolved in 42 g of decamethylcyclopentasiloxane, and 50 g of the treated zinc oxide was added thereto and dispersed using a bead mill to obtain an alkoxysilane-treated zinc oxide dispersion (q). .

Embodiment 17 FIG. 2 g of methyl hydrogen polysiloxane (KF-99; manufactured by Shin-Etsu Chemical Co., Ltd.) is dissolved in methanol, and ultrafine zinc oxide (ZnO-350;
After spraying 50g, 100 ℃
Dry with. 8 g of the soft solid of Production Example 11 was dissolved in 42 g of decamethylcyclopentasiloxane, and 50 g of the treated ultrafine zinc oxide was added thereto and dispersed using a bead mill to obtain a silicone-treated zinc oxide dispersion (r). Was.

Embodiment 18 FIG. Alkoxysilane (KBM-
22; Shin-Etsu Chemical Co., Ltd.) (0.5 g) is dissolved in methanol, sprayed on 50 g of titanium oxide (Taipeku TTO-55 (A); Ishihara Sangyo Co., Ltd.), and dried at 100C.
10 g of the liquid substance of Production Example 12 described above was dissolved in 50 g of decamethylcyclopentasiloxane, and 40 g of the treated titanium oxide was added and dispersed using a bead mill to obtain an alkoxysilane-treated titanium oxide dispersion (s).

Embodiment 19 FIG. 5 g of the soft solid of Production Example 11 described above was dissolved in 45 g of isopropyl alcohol, and 50 g of titanium oxide (Taipec TTO-55 (A); manufactured by Ishihara Sangyo Co., Ltd.) was added and dispersed, and the solvent was distilled off. A composition (t) was obtained.

Comparative Example 2 In the same manner as in Production Example 1, 50 g of the compound of Formula 6 used in Production Example 1, 35 g of methyl methacrylate, 7.5 g of butyl methacrylate, 7.5 g of 2-ethylhexyl acrylate, 100 g of toluene and 2 g of azobisisobutyronitrile were charged. , About 95g
A solid was obtained. 8 g of this solid was dissolved in 52 g of decamethylcyclopentasiloxane, and 40 g of titanium oxide (Taipec TTO-55 (A); manufactured by Ishihara Sangyo Co., Ltd.) was added thereto and dispersed using a bead mill, and a titanium oxide dispersion (u) was obtained. Obtained.

(Evaluation of Dispersibility) The powder compositions of Examples 1 to 19 and Comparative Examples 1 and 2 and the powder dispersion in oil were mixed with decamethylcyclopentasiloxane so that the powder concentration was 5%. To obtain a dispersion sample, and the dispersibility of the powder was observed with an optical microscope (magnification: 100 times). As a result of observing the dispersibility with a micrograph, all of the samples of Examples 1 to 19 had very little powder agglomeration and had excellent dispersibility. In contrast, the samples of Comparative Examples 1 and 2 had non-uniform dispersibility. Microscope photographs of Example 1, Example 9, and Comparative Example 1 are shown in FIGS. 1, 2, and 3, respectively.

Examples 20 to 27 and Comparative Examples 3 to 5. (Sunscreen) A sunscreen having the composition shown in Table 1 was prepared, and the quality was evaluated.

[0075]

[Table 1]

(Preparation method) In the case of Examples 20 to 26 and Comparative Example 5, A: Components 7 to 9 are uniformly mixed. B: Components 1 to 6 are heated to make them uniform, and then A is added and emulsified. C: Components 10, 11 to 18 were added to B and mixed to obtain a sunscreen cream. In the case of Example 27 and Comparative Examples 3 and 4: A: Components 7 to 9 are uniformly mixed. B: Components 1 to 6 are heated, components 19 to 21 are added to make them uniform, and then A is added and emulsified. C: Component 10 was added to and mixed with B to obtain a sunscreen cream.

Examples 28 to 38 and Comparative Example 6. (Sunscreen) A sunscreen having the composition shown in Table 2 was prepared and evaluated for its quality (Table 2 shows the above Comparative Examples 3 to 10 as a reference).
4).

[0078]

[Table 2]

(Preparation Method) Examples 28 to 37 and Comparative Example 6: A: Components 7 to 9 are uniformly mixed. B: Components 1 to 6 are heated and made uniform, and then A is added and emulsified. C: The ingredients 10, 11 to 21 were added to B and mixed to obtain a sunscreen cream. Example 38: A: Components 7 to 9 are uniformly mixed. B: Components 1 to 6 are heated, components 22 to 24 are added to make the mixture uniform, and then A is added and emulsified. C: Component 10 was added to and mixed with B to obtain a sunscreen cream.

The evaluation of the quality in Tables 1 and 2 was performed as follows. 1. Dispersion Stability of Powder After the manufactured sunscreen cream was allowed to stand at room temperature for 4 weeks, the cohesiveness of the powder was observed and judged according to the following criteria. [Evaluation Criteria] A: No aggregation of powder is observed. ：: Powder aggregation is slightly observed. C: Agglomeration tendency of powder is observed. ×: Aggregation of powder is clearly observed.

2. Usability evaluation A use test was conducted by 30 professional evaluation panels, and the following criteria were used for the smoothness of application, spreading, transparency of the makeup film, non-stickiness of the back skin, smoothness, freshness, and sunscreen effect. Evaluation was performed on a 5-point scale, and the average score was determined. [Evaluation criteria] 5 points: Very good 4 points: Good 3 points: Normal 2 points: Somewhat poor 1 point: Poor [Judgment] ：: Average score of 4.5 or more ○: Average score of 3.5 or more and less than 4.5 Δ: Average score of 2.5 or more and less than 3.5 ×: Average score of less than 2.5

As is clear from the results of Tables 1 and 2,
In Examples 20 to 38 according to the present invention, aggregation of the powder was not observed and the dispersion stability was excellent. In addition, all the usability was good, and both the stability and the usability were excellent. On the other hand, Comparative Examples 3 and 4 in which the untreated powder and the conventional silicone-treated powder were blended had poor dispersibility of the powder, and the feeling of use was not satisfactory. In Comparative Examples 5 and 6, powder aggregation was slightly observed, the transparency of the decorative film was inferior, and the feeling of use was not sufficient as compared with the present invention.

Embodiment 39 FIG. (Sunscreen W / O emulsion) (Components) (%) Glyceryl triisooctanoate 5.0 2. 2. Methylpolysiloxane (10 cSt) 4.0 Decamethylcyclopentasiloxane 8.0 4. 2. 2-ethylhexyl paramethoxycinnamate 5.0 Polyoxyethylene / methylpolysiloxane copolymer (Note 1) 1.0 6.1 1,3-butylene glycol 4.0 7. Preservative qs. Purified water balance 9. Appropriate amount of fragrance 10. 10. zinc oxide dispersion (d) or (o) 35.0 Titanium oxide dispersion (e) or (p) 20.0 (Note 1): Silicone KF-6017 (manufactured by Shin-Etsu Chemical Co., Ltd.)

(Production Method) A: Components 6 to 8 are uniformly mixed. B: After heating components 1 to 5 to make them uniform, add A to emulsify. C: Sunscreen W / O by adding components 9 to 11 to B and mixing.
An emulsion was obtained. Example 39 according to the present invention has no powder agglomeration, is excellent in dispersion stability, spreads well on the skin, is smooth and non-sticky, has high transparency, has no whitening, and has long-lasting makeup. It was a sunscreen W / O emulsion having excellent usability.

Embodiment 40 FIG. (Makeup base) (Component) (%) 1. neopentyl glycol dicaprate 3.0 2. pentaerythrosin rosinate 0.5 Decamethylcyclopentasiloxane 8.0 4. 2. 2-ethylhexyl paramethoxycinnamate 5.0 Polyoxyethylene / methylpolysiloxane copolymer (Note 1) 2.0 6.1 1,3-butylene glycol 4.0 7. Ethanol 2.5 8. Preservative qs 9. Purified water balance 10. Appropriate amount of fragrance 11. Nylon powder 10.0 12. Zinc oxide dispersion (g) or (l) 35.0 (Note 1): Silicone KF-6017 (manufactured by Shin-Etsu Chemical Co., Ltd.)

(Production method) A: Components 6 to 9 are uniformly mixed. B: After heating components 1 to 5 to make them uniform, components 11, 1
Add 2. C: A was added to B and emulsified, and component 10 was added and mixed to obtain a makeup base. Example 40 according to the present invention has no powder agglomeration, is excellent in dispersion stability, spreads well on the skin, is smooth and non-sticky, has high transparency, has no whitening, and has long-lasting makeup. It was a makeup base having excellent usability in use.

Embodiment 41 FIG. (Foundation) (Component) (%) 1. ceresin wax 5.0 Microcrystalline wax 1.0 3. Liquid paraffin 4.0 4. Glyceryl triisooctanoate 3.0 5. 5. Methylpolysiloxane (6cSt) 20.0 7. Methylpolysiloxane / cetylmethylpolysiloxane / poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer 2.0 7.1 1,3-butylene glycol 8.0 Preservative qs 9. Purified water balance 10. Appropriate amount of fragrance 11. Powder dispersion (Note 1) 17.0 (Note 1) Powder dispersion (component) (%) a. Titanium oxide 50.8 b. Red iron oxide 1.0 c. Yellow iron oxide 6.8 d. Black iron oxide 1.4 e. Copolymer of Production Example 2 or 8 10.0 f. Decamethylcyclopentasiloxane 30.0

(Production method) A: 0.6 g of alkoxysilane (KBM-3103; manufactured by Shin-Etsu Chemical Co., Ltd.) is dissolved in methyl alcohol, and component a
Ｄd and then dried at 100 ° C. B: Dissolve component e in component f, add A, and disperse using a bead mill to obtain a powder dispersion of component 11. C: Components 7 to 9 are uniformly mixed. D: Components 1 to 6 are heated and uniformly mixed, and then C is added and emulsified. E: A foundation was obtained by adding B and component 10 to D and mixing. Example 41 according to the present invention has no powder agglomeration, is excellent in dispersion stability, has a good spread to the skin, is smooth and non-sticky, is excellent in cosmetic persistence, has high transparency,
The foundation had excellent usability without whitening.

Embodiment 42 FIG. (Foundation) (Component) (%) 1. ceresin wax 5.0 Microcrystalline wax 1.0 3. Liquid paraffin 4.0 4. Glyceryl triisooctanoate 3.0 5. 5. Methylpolysiloxane (6cSt) 20.0 7. Methylpolysiloxane / cetylmethylpolysiloxane / 2.0 poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer 7.1,3-butylene glycol 8.0 Preservative qs 9. Purified water balance 10. Appropriate amount of fragrance 11. Powder composition (Note 1) 11.9 12. Decamethylcyclopentasiloxane 5.1 (Note 1) Powder composition (component) (%) a. Titanium oxide 50.8 b. Red iron oxide 1.0 c. Yellow iron oxide 6.8 d. Black iron oxide 1.4 e. Copolymer of Production Example 1 or 11 10.0

(Production method) A: Component e was dissolved in 50 g of isopropyl alcohol,
After the components a to d were added and mixed with stirring, the solvent was distilled off to remove the component 1
1 is obtained and dispersed in component 12. B: Components 7 to 9 are uniformly mixed. C: After components 1 to 6 are heated and uniformly mixed, B is added and emulsified. D: A and a component 10 were added to and mixed with C to obtain a foundation. Example 42 according to the present invention has no powder agglomeration, is excellent in dispersion stability, and has a good spread to the skin, is smooth and non-sticky, has excellent makeup persistence, is highly transparent,
The foundation had excellent usability without whitening.

Embodiment 43 FIG. (Foundation) (Component) (%) 1. ceresin wax 5.0 Microcrystalline wax 1.0 3. Liquid paraffin 4.0 4. Glyceryl triisooctanoate 3.0 5. 5. Methylpolysiloxane (6cSt) 20.0 7. Methylpolysiloxane / cetylmethylpolysiloxane / 2.0 poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer 7.1,3-butylene glycol 8.0 Preservative qs 9. Purified water balance 10. Appropriate amount of fragrance 11. Powder dispersion (Note 1) 17.0 12. Powder dispersion (Note 2) 10.0

(Note 1) Powder dispersion (component) (%) a. Siliconized titanium oxide 50.8 b. Siliconized red iron oxide 1.0 c. Siliconized iron oxide yellow 6.8 d. Siliconized black iron oxide 1.4 e. Copolymer of Production Example 2 or 10 10.0 f. Decamethylcyclopentasiloxane 30.0 (Note 2) Powder dispersion (component) (%) g. Teflon treated talc 50.0 h. Copolymer of Production Example 2 or 12 8.0 i. Decamethylcyclopentasiloxane 42.0

(Production method) A: Component e is dissolved in component f, components ad are added, and the mixture is dispersed using a bead mill to obtain a powder dispersion of component 11. B: Component h is dissolved in component i, component g is added, and the mixture is dispersed using a bead mill to obtain a powder dispersion of component 12. C: Components 7 to 9 are uniformly mixed. D: Components 1 to 6 are heated and uniformly mixed, and then C is added and emulsified. E: D, A, B and Component 10 were added and mixed to obtain a foundation. Example 43 according to the present invention has no powder agglomeration, is excellent in dispersion stability, has a good spread to the skin, is smooth and non-sticky, is excellent in cosmetic persistence, is highly transparent,
The foundation had excellent usability without whitening.

[0094]

As described above in detail, the powder composition and the powder-in-oil dispersion of the present invention are composed of an organopolysiloxane monomer and a monomer having a nitrogen-containing monomer or a polyoxyalkylene group. Since a copolymer containing a polymer as a constituent component is used, it has little cohesiveness and is excellent in dispersibility and dispersion stability. Furthermore, cosmetics containing the same are excellent in usability and very excellent in quality.

[Brief description of the drawings]

FIG. 1 is a micrograph of a dispersion sample of Example 1.

FIG. 2 is a micrograph of a dispersion sample of Example 9.

FIG. 3 is a micrograph of a dispersion sample of Comparative Example 1.

Claims (12)

[Claims] 1. A copolymer containing (A) an organopolysiloxane monomer and (B) a monomer having a nitrogen group and / or a monomer having a polyoxyalkylene group as constituents, and a powder. A powder composition comprising: 2. The monomer (A), wherein the monomer (B) is a nitrogen-containing monomer having a radically polymerizable group and / or a monomer having a radically polymerizable group and a polyoxyalkylene group. 2. The powder composition according to claim 1, wherein (b) is an organopolysiloxane monomer having a radical polymerizable group copolymerizable with (B). 3. The powder composition according to claim 1, wherein the content of the monomer component (A) in the copolymer is 10% by weight or more. 4. The powder composition according to claim 1, wherein the monomer (A) is an organopolysiloxane monomer represented by the following general formula (1). Stuff. W (X) _a Si (Y) _b (Z) _c (1) wherein W is a vinyl group (which may have a substituent);
X represents a divalent linking group, Y represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an aryl group or an alkoxy group, and Z represents a monovalent siloxane polymer. a is 0 or 1, b is 0
An integer of 2, c represents an integer of 1 to 3, and b + c = 3. ] 5. The method according to claim 1, wherein the monomer (B) is a monomer containing one or more nitrogen groups selected from acrylamide, methacrylamide, N-vinylpyrrolidone and N-vinylacetamide. Item 5. The powder composition according to any one of Items 1 to 4. 6. The powder according to claim 1, wherein the monomer (B) is a monomer having a polyoxyalkylene group represented by the following general formula (2). Body composition. J (K) _p (Q) _s T (2) wherein J is a vinyl group (which may have a substituent);
K is a divalent linking group, Q is - (CH ₂₎ a polyoxyalkylene group represented by _t O-, T is 1 hydrogen atom or a carbon atoms
An alkyl group of 10 or an organic group represented by R ′-(CO) —, p is 0 or 1, s is an integer of 1 or more, t
Represents an integer of 1 to 50, and R ′ represents an alkyl group having 1 to 5 carbon atoms. ] (B) the monomer represented by the general formula (2)
The powder composition according to claim 6, wherein is a monomer containing a polyoxyalkylene group having an integer of 3 or more. 8. The powder composition according to claim 7, wherein t in the general formula (2) is 3. 9. The powder composition according to claim 1, wherein the amount of the copolymer relative to the powder is 1% by weight or more. 10. A cosmetic comprising the powder composition according to any one of claims 1 to 9. 11. A powder-in-oil dispersion comprising the copolymer according to claim 1, a powder and an oil agent. 12. A cosmetic comprising the powder dispersion in oil according to claim 11.